Liquid transfer unit



FIG. 1 is a perspective view of a liquid transfer unit embodying my new design;

FIG. 2 is a rear elevational view of the liquid transfer unit shown in FIG. 1 on a reduced scale;

FIG. 3 is a left side elevational view of the liquid transfer unit shown in FIG. 1 on a reduced scale;

FIG. 4 is a top view of the liquid transfer unit shown in FIG. 1 on a reduced scale;

FIG. 5 is a front elevational view of the liquid transfer unit shown in FIG. 1 on a reduced scale;

FIG. 6 is a right side elevational view of the liquid transfer unit shown in FIG. 1 on a reduced scale; and,

FIG. 7 is a bottom view of the liquid transfer unit shown in FIG. 1 on a reduced scale. 

The ornamental design for a liquid transfer unit, as shown and described. 